EP2461407A1 - Dispositif de pile à combustible - Google Patents
Dispositif de pile à combustible Download PDFInfo
- Publication number
- EP2461407A1 EP2461407A1 EP10804504A EP10804504A EP2461407A1 EP 2461407 A1 EP2461407 A1 EP 2461407A1 EP 10804504 A EP10804504 A EP 10804504A EP 10804504 A EP10804504 A EP 10804504A EP 2461407 A1 EP2461407 A1 EP 2461407A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- cell stack
- fuel gas
- cell device
- amount
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 176
- 239000002737 fuel gas Substances 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 230000003750 conditioning effect Effects 0.000 claims description 20
- 230000007423 decrease Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 81
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical group C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 238000000629 steam reforming Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04791—Concentration; Density
- H01M8/04805—Concentration; Density of fuel cell exhausts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04604—Power, energy, capacity or load
- H01M8/04619—Power, energy, capacity or load of fuel cell stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
- H01M8/04731—Temperature of other components of a fuel cell or fuel cell stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04895—Current
- H01M8/0491—Current of fuel cell stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04925—Power, energy, capacity or load
- H01M8/0494—Power, energy, capacity or load of fuel cell stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/40—Combination of fuel cells with other energy production systems
- H01M2250/405—Cogeneration of heat or hot water
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04574—Current
- H01M8/04589—Current of fuel cell stacks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to fuel cell devices including an exterior case and a fuel cell in the housing container.
- fuel cell modules including a cell stack having a plurality of fuel cells arranged inside a housing container that are capable of generating power using fuel gas (gas containing hydrogen) and air (oxygen-containing gas) have been proposed as forms of next-generation energy.
- fuel gas gas containing hydrogen
- air oxygen-containing gas
- Various fuel cell devices including the fuel cell modules in an exterior case have been proposed (for example, refer to patent document 1).
- PEFC polymer electrolyte fuel cells
- MCFC molten-carbonate fuel cells
- PAFC phosphoric acid fuel cells
- SOFC solid oxide fuel cells
- a partial load operation is generally known to decrease the amount of fuel gas supplied to the cell stack (fuel cells), and an operating method of the fuel cell device of this partial load operation is proposed (for example, refer to patent document 2).
- efficient operation may be conducted by maintaining fuel utilization (Uf) and amount of current (I) of the cell stack at constant values.
- a rate of fuel utilization and amount of current (electric power generation) of the cell stack fluctuate (declined compared to during the rated operation) according to an external load.
- a power generation efficiency may decline or a load-following characteristic may decline.
- the purpose of the present invention is to provide a fuel cell device with improved operating conditions during partial load operation regarding the fuel cell device conducting the partial load operation.
- the fuel cell device includes: a cell stack comprising a plurality of fuel cells electrically coupled to generate power with a fuel gas and a oxygen-containing gas; a fuel gas supply unit to supply the fuel gas to the fuel cells; a power conditioning unit that controls the amount of electrical current that is generated by the fuel cells and that is supplied to the external load; a controller that controls each of the fuel gas supply unit and the power conditioning unit.
- the controller controls the fuel gas supply unit and the power conditioning unit such that the relationship between a rate of the fuel utilization of the cell stack and the amount of electrical current generated by the cell stack is nonlinear if the fuel gas supplied to the cell stack is the minimum flow or more necessary for generating power during the partial load operation of the fuel cell device.
- Efficient partial load operation may be conducted by means of the fuel cell device according to the present invention.
- the fuel cell system illustrated in Figure 1 includes a power generating unit to generate power, a hot water storage unit to store hot water after heat exchange, and a circulation pipeline to circulate water among these units.
- the power generating unit illustrated in Figure 1 includes a cell stack 1 including a plurality of fuel cells arranged and electrically coupled (not illustrated), a raw fuel supply unit 2 to supply raw fuel such as a natural gas and the like, an oxygen-containing gas supply unit 3 to supply oxygen-containing gas to the fuel cells constituting the cell stack 1, and a reformer 4 that carries out a steam-reforming reaction from the raw fuel as well as steam.
- a cell stack 1 including a plurality of fuel cells arranged and electrically coupled (not illustrated)
- a raw fuel supply unit 2 to supply raw fuel such as a natural gas and the like
- an oxygen-containing gas supply unit 3 to supply oxygen-containing gas to the fuel cells constituting the cell stack 1
- a reformer 4 that carries out a steam-reforming reaction from the raw fuel as well as steam.
- the reformer 4 includes a vaporizing unit (not illustrated) to vaporize pure water supplied from a water pump 5 mentioned later and to mix the raw fuel supplied from the raw fuel supply unit 2 with the steam, and reforming within, and further includes a reforming unit (not illustrated) including catalyst therein to generate a fuel gas (hydrogen-containing gas) by reacting the mixed raw fuel with the steam.
- a fuel gas hydrogen-containing gas
- the fuel gas supply unit includes at least the raw fuel supply unit 2.
- the cell stack 1 and the reformer 4 are housed inside the housing container and are configuring a fuel cell module (hereinafter may be abbreviated as module).
- module a fuel cell module
- each type of devices configuring the fuel cell module is surrounded by a two-dot chain line and M indicates the module.
- the reformer 4 may be provided outside of the housing container.
- the module M is described.
- Known fuel cell modules may be used for the module M.
- columnar-shaped fuel cells including a gas passage in which gas circulates inside are arranged inside the housing container in an up-right state, configuring the cell stack 1 by electrically connecting neighboring fuel cells in series via power-collecting members.
- the module M include is configured by housing a cell stacking device in which the bottom end of fuel cells is fixed to a fuel gas chamber with insulating bonding materials such as glass sealing material, and the like, and the reformer 4 arranged on upper side of fuel cells to supply the fuel gas to fuel cells.
- Various fuel cells are known as fuel cells constituting the cell stack 1; however, in conducting a partial load operation (load follow operation), solid oxide fuel cells may be selected. Auxiliaries necessary for the movement of fuel cells may be downsized by selecting solid oxide fuel cells as the fuel cells composing the cell stack 1, allowing the fuel cell device 22 to be downsized.
- a hollow flat fuel cell may be selected.
- Fuel electrode-supporting type of hollow flat fuel cells with a fuel electrode layer formed to the inside and an oxygen electrode layer formed to the outside may be used as such hollow flat fuel cells.
- a heat exchanger 6 that exchanges heat with an exhaust gas (exhaust heat) produced from the generation of electric power at fuel cells constituting the cell stack 1 and water flowing through a circulation pipeline 13, a condensed water purifier 7 to purify (preferably generates pure water) the condensed water generated from heat exchange, and a condensed water feeding tube 15 to supply the condensed water generated at the heat exchanger 6 to the condensed water purifier 7.
- the condensed water processed at the condensed water purifier 7 is stored in a water tank 8 connected by a tank-connecting pipe 16 and subsequently supplied to the reformer 4 (vaporizing unit, not illustrated) by the water pump 5.
- the water tank 8 may be omitted by having the condensed water purifier 7 function as the water tank.
- the power generating unit illustrated in Figure 1 includes: a power conditioning unit 9 to convert direct-current power generated at the fuel cells into an alternating-current power and to control the amount of converted alternating-current power to the external load; an outlet water temperature sensor 11 located at an outlet of the heat exchanger 6 to measure the temperature of water flowing through the outlet of the heat exchanger 6 (circulating water flow); a controller 10; and a circulating pump 12 to circulate water within a circulation pipeline 13.
- the fuel cell device includes at least the cell stack 1, the controller 10, a fuel gas supplying unit to supply the fuel gas to the fuel cells and a power conditioning unit to control the amount of electrical current generated at the fuel cells and supplied to the external load.
- the hot water storage unit includes a hot water storage tank 14 to store hot water after heat exchange.
- Pollution-abatement equipment for exhaust gas (not illustrated), which processes the exhaust gas with the operation of the cell stack 1, is provided between the cell stack 1 and the heat exchanger 6.
- an exhaust gas processing unit is inside the housing container and a known combustion catalyst may be used as the exhaust gas processing unit.
- water supplied to the condensed water purifier 7 may be purified and supplied to the reformer 4.
- various water processing units to purify water supplied from the outside are equipped.
- each water processing unit for supplying the water supplied from the outside to the reformer 4 includes at least an ion-exchange resin unit 21 among an activated charcoal filtering device 19, a reverse osmosis unit 20, and the ion-exchange resin unit 21 (preferably all apparatuses). Then, the pure water generated at the ion-exchange resin unit 21 is stored in the water tank 8.
- the fuel cell device (power generating unit) illustrated in Figure 1 includes a feed valve 18 to adjust the amount of water supplied from the outside.
- each of water processing units to process the water supplied to the reformer 4 into pure water is indicated by surrounding the water processing units with a dashed line (indicated as external water purification equipment X).
- the external water purification equipment X may be omitted.
- the operation method of the fuel cell device (power generating unit) illustrated in Figure 1 is described.
- the condensed water produced by heat exchange between the exhaust gas produced by the operation of the cell stack 1 (fuel cells) at the heat exchanger 6 and the water flowing inside the circulation pipeline 13, is used as the pure water used in the reformer 4.
- the water flows inside the circulation pipeline 13 to increase water temperature due to heat exchange with the exhaust gas (that is to say, hot water), and then is stored in the hot water storage tank 14.
- the condensed water produced at the heat exchanger 6 flows inside a condensed water supplying pipe 15 and is supplied to the condensed water purifier 7.
- the condensed water (pure water) processed at the condensed water purifier (ion-exchange resin, and the like), which is included in the condensed water purifier 7, is supplied to the water tank 8 through a tank connecting pipe 16.
- the water stored in the water tank 8 is supplied to the reformer 4 by the water pump 5, steam reforming is carried out with the raw fuel supplied from the raw fuel supply unit 2, and the produced fuel gas is supplied to the fuel cells (cell stack 1). Electric power is generated using the fuel gas supplied via the reformer 4 and the oxygen-containing gas supplied from the oxygen-containing gas supplying unit 3 in the fuel cells (cell stack 1), and an electrical current generated at the fuel cells (cell stack 1) is supplied to the external load via an adjuster 9. Due to the methods mentioned above, autonomous water operation may be carried out by efficiently making use of the condensed water.
- the water supplied from the outside may also be used.
- the feed valve 18 opens, and the water supplied from the outside, such as tap water or the like, is supplied to the activated charcoal filter 19 via a water pipe 17.
- the water processed at the activated charcoal filter 19 is subsequently supplied to a reverse osmosis membrane 20.
- the water processed at the reverse osmosis membrane 20 is subsequently supplied to the ion-exchange resin unit 21.
- the water purified at the ion-exchange resin unit 21 is stored in the water tank 8.
- the purified water (pure water) stored in the water tank 8 is used for generating electric power at the fuel cells (cell stack 1) by the method mentioned above.
- the controller 10 controls the operation of the raw fuel supply unit 2 and the oxygen-containing gas supplying unit 3 during the rated operation, and supplies the amount of fuel gas and oxygen-containing gas necessary for rated operation to the fuel cells (cell stack 1). Thereby, a rated power is generated in the fuel cells (cell stack 1) and direct current flows in the fuel cells (cell stack 1). The electric power generated by the electrical generation at the fuel cells (cell stack 1) is supplied to the external load after being converted to alternating-current power at the adjuster 9.
- the controller 10 controls each unit during the rated operation such that the relationship between a rate of fuel utilization (Uf) of the cell stack 1 and the amount of current (I) generated by the cell stack 1 becomes a constant rate in compliance with the demands from the external load.
- the required power of the external load is prone to fluctuate.
- the required power becomes higher particularly in the early morning and evening onwards, causing the electrical current flowing in the cell stack 1 to be higher; whereas, in the day time or at midnight, the required power becomes lower, causing the electrical current flowing in the cell stack 1 to be smaller
- the partial load operation load follow operation corresponding to the required power of the external load may be carried out.
- the controller 10 controls the operations of the raw fuel supply unit 2 and the oxygen-containing gas supplying unit 3, and supplies the amount of fuel gas and oxygen-containing gas necessary for obtaining an amount of current corresponding to the required power of the external load to the fuel cells (cell stack 1).
- the direct-current power resulting from the generation of electric power by the fuel cells (cell stack 1) is converted to alternating-current power at the power conditioning unit 9 and subsequently supplied to the external load.
- the rate of fuel utilization (Uf) and the amount of current (I) of the cell stack 1 fluctuates in correspondence with the required load during partial load operation. Specifically, the rate and the amount decline more compared to during the rated operation.
- FIGS. 1 to Figure 4 are graphs illustrating the relationship between rates of fuel utilization of the cell stack 1 in the fuel cell device and the amounts of current generated by the cell stack 1 according to the request of the external load.
- the predetermined amount of fuel gas is referred to as the minimum flow.
- the controller 10 controls the raw fuel supply unit 2 and the power conditioning unit 9 such that the relationship between the rate of fuel utilization (Uf) of the cell stack 1 and the amount of current (I) generated by the cell stack 1 in response to the request of the external load becomes non-linear.
- the controller preferably controls the oxygen-containing gas supplying unit 3 together, and the same applies hereinafter.
- the raw fuel supply unit 2 and the power conditioning unit 9 are controlled such that the relationship between the rate of fuel utilization (Uf) and the amount of current (I) of the cell stack 1 becomes linear during partial load operation, as mentioned later, it becomes difficult to carry out operations such as the operation to improve the load-following characteristic, the operation to control accidental fires when burning excess fuel gas at one end of the fuel cells.
- a control of the raw fuel supply unit 2 and the adjuster 9 by the controller 10 in which the relationship between the a rate of fuel utilization (Uf) and the amount of current (I) of the cell stack 1 becomes non-linear can carry out operations such as the operation to improve the load-following characteristic, the operation to control accidental fires when burning excess fuel gas at one end of the fuel cells during the partial load operation, thereby making it possible to carry out efficient partial load operation.
- a maximum rate of fuel utilization (Uf) of the cell stack 1 during the partial load operation is the same as the rate of fuel utilization (Uf) during the rated operation of the fuel cell device, oxidation of the fuel cells may be reduced, thereby reducing damage to the fuel cells. Consequently, a fuel cell device with increased credibility may be obtained.
- the excess fuel gas may accidentally combust due to the declined amount of fuel gas supplied to the fuel cells (cell stack 1) during partial load operation.
- the relationship between the rate of fuel utilization (Uf) of the cell stack 1 and amount of current (I) is a quadratic curve during the partial load operation when fuel gas of more than the minimum flow of fuel gas supplied to the cell stack 1 is supplied to the cell stack 1, but the relationship is not limited to the relationship expressed by the quadratic curve. It may be set appropriately according to the amount of fuel cells configuring the fuel cell device, the size of the module M, or the like, and for example, the relationship may be expressed by a cubic curve, or the like.
- the controller 10 may control the raw fuel supply unit 2 and the power conditioning unit 9 such that an amount of increase in the rate of fuel utilization (Uf) increases along with the increase in amount of current (I) generated by the cell stack 1, and subsequently, the amount of increase of the rate of fuel utilization (Uf) decreases along with the increase in amount of current (I).
- the relationship between the rate of fuel utilization (Uf) and the amount of current (I) of the cell stack 1 during the partial load operation is expressed by the cubic curve.
- the relationship between the rate of fuel utilization (Uf) and the amount of current (I) of the cell stack 1 is linear until the minimum flow of fuel gas supplied to the cell stack 1 is reached.
- the controller 10 may control the raw fuel supply unit 2 and the power conditioning unit 9 such that the amount of increase in the rate of fuel utilization (Uf) decreases along with the increase in the amount of current (I) generated by the cell stack 1, and subsequently, the amount of increase in the rate of fuel utilization (Uf) increases along with the increase in the amount of current (I) generated by the cell stack 1.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009176296 | 2009-07-29 | ||
PCT/JP2010/062821 WO2011013758A1 (fr) | 2009-07-29 | 2010-07-29 | Dispositif de pile à combustible |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2461407A1 true EP2461407A1 (fr) | 2012-06-06 |
EP2461407A4 EP2461407A4 (fr) | 2013-07-10 |
EP2461407B1 EP2461407B1 (fr) | 2017-08-30 |
Family
ID=43529410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10804504.8A Active EP2461407B1 (fr) | 2009-07-29 | 2010-07-29 | Dispositif de pile à combustible |
Country Status (6)
Country | Link |
---|---|
US (2) | US10164276B2 (fr) |
EP (1) | EP2461407B1 (fr) |
JP (1) | JP5528451B2 (fr) |
KR (1) | KR101355047B1 (fr) |
CN (1) | CN102473947B (fr) |
WO (1) | WO2011013758A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5943781B2 (ja) * | 2012-09-03 | 2016-07-05 | 大阪瓦斯株式会社 | 燃料利用率の設定方法 |
CN103413955B (zh) * | 2013-08-07 | 2015-04-01 | 东南大学 | 一种防止固体氧化物燃料电池燃料利用率超限的控制方法 |
JP6721363B2 (ja) * | 2016-03-11 | 2020-07-15 | 大阪瓦斯株式会社 | 燃料電池システム及びその運転方法 |
CN107464944B (zh) | 2016-05-27 | 2021-02-02 | 通用电气公司 | 燃料电池系统及其操作方法 |
JP6826436B2 (ja) * | 2017-01-05 | 2021-02-03 | 大阪瓦斯株式会社 | 燃料電池システム及びその運転方法 |
EP3862314A4 (fr) | 2018-10-02 | 2022-06-22 | Eneos Corporation | Méthode pour faire fonctionner un appareil de production d'hydrogène, et dispositif de contrôle pour appareil de production d'hydrogène |
WO2020175218A1 (fr) * | 2019-02-28 | 2020-09-03 | 京セラ株式会社 | Dispositif de pile à combustible |
JP6984047B2 (ja) * | 2019-05-27 | 2021-12-17 | 京セラ株式会社 | 燃料電池装置 |
EP3858242A1 (fr) | 2020-02-03 | 2021-08-04 | Koninklijke Philips N.V. | Nettoyage et chargement de détecteurs de rayons x portables |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1453129A1 (fr) * | 2001-10-18 | 2004-09-01 | Ebara Ballard Corporation | Procede de generation d'electricite par pile a combustible et systeme de generation d'electricite par pile a combustible |
JP2006059550A (ja) * | 2004-08-17 | 2006-03-02 | Mitsubishi Materials Corp | 燃料電池発電装置および運転制御方法 |
EP1713141A2 (fr) * | 2005-04-12 | 2006-10-18 | General Electric Company | Méthode et dispositif pour géneration controlée d'énergie par un système hybrid SOFC/turbine |
WO2007052633A1 (fr) * | 2005-10-31 | 2007-05-10 | Kyocera Corporation | Systeme de pile a combustible |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3220438B2 (ja) * | 1999-05-14 | 2001-10-22 | 株式会社日立製作所 | 燃料電池発電システム |
JP2003012381A (ja) | 2001-06-27 | 2003-01-15 | Kyocera Corp | 無機多孔体の製造方法及び無機多孔体並びにガス分離モジュール |
US7582371B2 (en) * | 2003-06-09 | 2009-09-01 | Panasonic Corporation | Fuel cell system having fuel and water controlling means |
JP4595317B2 (ja) * | 2003-11-19 | 2010-12-08 | 日産自動車株式会社 | 燃料電池システム |
US6959249B2 (en) | 2003-12-02 | 2005-10-25 | General Motors Corporation | Load following algorithm for a fuel cell based system |
JP2006024478A (ja) | 2004-07-08 | 2006-01-26 | Ebara Ballard Corp | 燃料電池発電システムの運転方法及び燃料電池発電システム |
JP2006032262A (ja) * | 2004-07-21 | 2006-02-02 | Tokyo Gas Co Ltd | 燃料電池システム及び制御方法 |
JP2006302881A (ja) | 2005-03-25 | 2006-11-02 | Kyocera Corp | 燃料電池組立体 |
JP4943037B2 (ja) | 2005-07-27 | 2012-05-30 | 京セラ株式会社 | 燃料電池モジュール |
US20070259219A1 (en) * | 2005-12-19 | 2007-11-08 | Jing Ou | Technique and apparatus to detect and recover from an unhealthy condition of a fuel cell stack |
-
2010
- 2010-07-29 KR KR1020127001296A patent/KR101355047B1/ko active IP Right Grant
- 2010-07-29 EP EP10804504.8A patent/EP2461407B1/fr active Active
- 2010-07-29 US US13/387,499 patent/US10164276B2/en active Active
- 2010-07-29 JP JP2011524834A patent/JP5528451B2/ja active Active
- 2010-07-29 CN CN201080032699.XA patent/CN102473947B/zh active Active
- 2010-07-29 WO PCT/JP2010/062821 patent/WO2011013758A1/fr active Application Filing
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1453129A1 (fr) * | 2001-10-18 | 2004-09-01 | Ebara Ballard Corporation | Procede de generation d'electricite par pile a combustible et systeme de generation d'electricite par pile a combustible |
JP2006059550A (ja) * | 2004-08-17 | 2006-03-02 | Mitsubishi Materials Corp | 燃料電池発電装置および運転制御方法 |
EP1713141A2 (fr) * | 2005-04-12 | 2006-10-18 | General Electric Company | Méthode et dispositif pour géneration controlée d'énergie par un système hybrid SOFC/turbine |
WO2007052633A1 (fr) * | 2005-10-31 | 2007-05-10 | Kyocera Corporation | Systeme de pile a combustible |
Non-Patent Citations (1)
Title |
---|
See also references of WO2011013758A1 * |
Also Published As
Publication number | Publication date |
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EP2461407A4 (fr) | 2013-07-10 |
JPWO2011013758A1 (ja) | 2013-01-10 |
US20120148933A1 (en) | 2012-06-14 |
US10164276B2 (en) | 2018-12-25 |
KR101355047B1 (ko) | 2014-01-24 |
CN102473947B (zh) | 2014-09-10 |
US10763527B2 (en) | 2020-09-01 |
KR20120024977A (ko) | 2012-03-14 |
JP5528451B2 (ja) | 2014-06-25 |
WO2011013758A1 (fr) | 2011-02-03 |
EP2461407B1 (fr) | 2017-08-30 |
US20190074531A1 (en) | 2019-03-07 |
CN102473947A (zh) | 2012-05-23 |
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